公开(公告)号：US11417299B1

公开(公告)日：2022-08-16

申请号：US17696301

申请日：2022-03-16

申请人： Minhong Kim

发明人： Minhong Kim

IPC分类号： G10D1/05 ,  G10D3/14 ,  G10D3/10

摘要： The present invention relates to an educational string instrument comprising: a body provided with a head portion and a bottom portion; a nut installed on the head portion; a saddle installed on the bottom portion; a plurality of fixing parts installed on an outer side of the nut of the body; a plurality of tuning devices installed on an outer side of the saddle of the body; a plurality of strings supported by the fixing parts and the tuning devices and installed to be spaced apart from the body by the nut and the saddle, and a single fret installed to be inwardly spaced apart from an inner side of the nut to form a fingerboard part and functioning for raising an original note of the string by a semitone.